21619782

素因数分解:

$2^1\times 3^2\times {\mathrm{139}}^1\times {\mathrm{8641}}^1$

素因数の和:8788

約数の個数: 24

約数和(自身を含む): 47185320

約数和(自身を除く): 25565538

約数列:

[1, 2, 3, 6, 9, 18, 139, 278, 417, 834, 1251, 2502, 8641, 17282, 25923, 51846, 77769, 155538, 1201099, 2402198, 3603297, 7206594, 10809891, 21619782]

約数ペア:

[(1, 21619782), (2, 10809891), (3, 7206594), (6, 3603297), (9, 2402198), (18, 1201099), (139, 155538), (278, 77769), (417, 51846), (834, 25923), (1251, 17282), (2502, 8641)]